package com.jumaojiang.service;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.jumaojiang.exceptions.ResourceException;
import com.jumaojiang.mapper.FileResourceMapper;
import com.jumaojiang.mapper.FileUrlMapper;
import com.jumaojiang.mapper.RsFileMapper;
import com.jumaojiang.mapper.RsVideoMapper;
import com.jumaojiang.pojo.*;
import com.jumaojiang.utils.ForwardHttpConnection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

/**
 * javaee-course
 *
 * @author wuhanwei
 * @version 1.0
 * @date 2021/11/15
 */
@Service
public class ParsingResourcesService {

    @Autowired
    private RsFileMapper rsFileMapper;
    @Autowired
    private RsVideoMapper rsVideoMapper;
    @Autowired
    private FileUrlMapper fileUrlMapper;

    /**
     * 更新数据库
     * @param list : 更新的数据
     * @return 更新的条数
     * @throws Exception
     */
    @Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
    public Integer updateDB(List<List<Object>> list) throws Exception {
        int num = 0;
        for(int index=0; index<list.size(); index++){
            List<Object> objects = list.get(index);
            if(objects.size() == 0)
                continue;
            if(index % 2 != 0){ // 奇数项 -> 视频
                for (Object object : objects) {
                    if(object instanceof RsVideo){
                        RsVideo video = (RsVideo) object;
                        if(video.getVideoName() != null && !"".equals(video.getVideoName())){
                            // 确认有内容 -> 执行更新
                            // 根据章节.小节.名称查询
                            RsVideoExample rsVideoExample = new RsVideoExample();
                            RsVideoExample.Criteria criteria = rsVideoExample.createCriteria();
                            criteria.andChaIdEqualTo(video.getChaId());
                            criteria.andSectionTitleEqualTo(video.getSectionTitle());
                            criteria.andVideoNameEqualTo(video.getVideoName());
                            List<RsVideo> videoList = rsVideoMapper.selectByExample(rsVideoExample);
                            if(videoList.size() == 0){ // 数据出不存在,添加
                                video.setVideoCreateTime(new Date());
                                num += rsVideoMapper.insertSelective(video);
                            }else if(videoList.size() == 1){
                                video.setVideoId(videoList.get(0).getVideoId());
                                video.setVideoUpdateTime(new Date());
                                num += rsVideoMapper.updateByPrimaryKeySelective(video);
                            }else{
                                throw new Exception("查询到多条数据, 更新失败  视频_章节:"+ video.getChaId() +" _小节:" + video.getSectionTitle() + " _标题:" + video.getVideoName());
                            }
                        }
                    }
                }
            }else{   // 偶数项 -> 文件
                for (Object object : objects) {
                    if(object instanceof RsFile){
                        RsFile rsFile = (RsFile) object;
                        if(rsFile.getFileName() != null && !"".equals(rsFile.getFileName())){
                            // 确认有内容 -> 执行更新
                            // 根据章节.小节.名称查询
                            RsFileExample rsFileExample = new RsFileExample();
                            RsFileExample.Criteria criteria = rsFileExample.createCriteria();
                            criteria.andChaIdEqualTo(rsFile.getChaId());
                            criteria.andSectionTitleEqualTo(rsFile.getSectionTitle());
                            criteria.andFileNameEqualTo(rsFile.getFileName());
                            List<RsFile> fileList = rsFileMapper.selectByExample(rsFileExample);
                            if(fileList.size() == 0){ // 数据出不存在,添加
                                rsFile.setFileCreateTime(new Date());
                                num += rsFileMapper.insertSelective(rsFile);
                                // 添加file_url
                                List<FileUrl> fileUrlList = rsFile.getFileUrlList();
                                for (FileUrl fileUrl : fileUrlList) {
                                    fileUrl.setRsFileId(rsFile.getFileId());
                                    fileUrlMapper.insertSelective(fileUrl);
                                }
                            }else if(fileList.size() == 1){ // 更新
                                // 更新rs_file
                                rsFile.setFileId(fileList.get(0).getFileId());
                                rsFile.setFileUpdateTime(new Date());
                                num += rsFileMapper.updateByPrimaryKeySelective(rsFile);
                                // 更新file_url -> 删除再添加
                                FileUrlExample fileUrlExample = new FileUrlExample();
                                FileUrlExample.Criteria criteria1 = fileUrlExample.createCriteria();
                                criteria1.andRsFileIdEqualTo(rsFile.getFileId());
                                fileUrlMapper.deleteByExample(fileUrlExample);
                                List<FileUrl> fileUrlList = rsFile.getFileUrlList();
                                for (FileUrl fileUrl : fileUrlList) {
                                    fileUrl.setRsFileId(rsFile.getFileId());
                                    fileUrlMapper.insertSelective(fileUrl);
                                }
                            } else {
                                throw new Exception("查询到多条数据, 更新失败  文件_章节:"+ rsFile.getChaId() +" _小节:" + rsFile.getSectionTitle() + " _标题:" + rsFile.getFileName());
                            }
                        }
                    }
                }
            }
        }
        return num;
    }

    /**
     * 请求获取解析独视频m3u
     * @param list : 处理好的章节文件及视频信息
     * @return
     */
    public List<List<Object>> parseVideoM3u(List<List<Object>> list) throws Exception {
        // 解析视频, 视频的list索引是奇数项
        for(int index=0; index<list.size(); index++){
            if(index % 2 != 0){
                // 奇数项
                List<Object> objects = list.get(index);
                for (Object object : objects) {
                    if(object instanceof RsVideo){
                        RsVideo video = (RsVideo) object;
                        String mediaId = video.getVideoM3u8();
                        String accessToken = null;
                        try {
                            accessToken = ForwardHttpConnection.get("https://weblearn.kaikeba.com/get/bsy_video/access_token", null, null, null);
                        } catch (Exception e) {
                            throw new Exception("官网服务器压力过大, 请重新提交!");
                        }
                        accessToken = JSON.parseObject(accessToken).getJSONObject("data").getString("access_token");
                        String m3u8Json = null;
                        try {
                            m3u8Json = ForwardHttpConnection.get("https://api-vod.baoshiyun.com/vod/v1/platform/media/detail?mediaId="+ mediaId +"&accessToken=" + accessToken, null, null, null);
                        } catch (Exception e) {
                            throw new Exception("官网服务器压力过大, 请重新再试!");
                        }
                        // String m3u8Json = "{\"code\":1,\"msg\":\"请求成���\",\"data\":{\"mediaId\":\"media-849132468994048\",\"tenantId\":\"2027176802\",\"spaceName\":\"space-1\",\"status\":3,\"title\":\"抱石云点播视频\",\"mediaType\":0,\"mediaMetaInfo\":{\"videoGroup\":[{\"videoId\":\"video-849132508348416\",\"extension\":\".m3u8\",\"resolution\":\"超清\",\"presetName\":\"lud\",\"bucketName\":\"bsy-vod-output\",\"objectName\":\"resource/media-849132468994048/lud/f7024358a5724fc98cf91463b2a04b50.m3u8\",\"isEncryption\":true,\"noAuth\":true,\"playURL\":\"https://v.baoshiyun.com/resource/media-849132468994048/lud/f7024358a5724fc98cf91463b2a04b50.m3u8?MtsHlsUriToken=3b8ce894e60046e9abbc89fbafd3d8ef9e23484fc5494d1d95112cefb0940825\",\"size\":\"15804596\",\"duration\":\"264.219856\"},{\"videoId\":\"video-849132508282881\",\"extension\":\".m3u8\",\"resolution\":\"高清\",\"presetName\":\"lhd\",\"bucketName\":\"bsy-vod-output\",\"objectName\":\"resource/media-849132468994048/lhd/134968d001af4aa0bb80c2d372aec261.m3u8\",\"isEncryption\":true,\"noAuth\":true,\"playURL\":\"https://v.baoshiyun.com/resource/media-849132468994048/lhd/134968d001af4aa0bb80c2d372aec261.m3u8?MtsHlsUriToken=9ce9b3972cca46b0b5310eba690d5ce11f0bacfef433453fbca5abb93d0d9f7f\",\"size\":\"11238452\",\"duration\":\"264.219856\"},{\"videoId\":\"video-849132508282880\",\"extension\":\".m3u8\",\"resolution\":\"标清\",\"presetName\":\"lsd\",\"bucketName\":\"bsy-vod-output\",\"objectName\":\"resource/media-849132468994048/lsd/8420a0f2eed843a7af350e5b4668292c.m3u8\",\"isEncryption\":true,\"noAuth\":true,\"playURL\":\"https://v.baoshiyun.com/resource/media-849132468994048/lsd/8420a0f2eed843a7af350e5b4668292c.m3u8?MtsHlsUriToken=f29bb564399d4366b4acfd95d8607b5bc6ccca2fa2a9430aa545e04ba5695692\",\"size\":\"9540812\",\"duration\":\"264.219856\"}],\"imageGroup\":[{\"imageId\":\"img-849132508282882\",\"type\":\"default\",\"bucketName\":\"bsy-vod-output\",\"objectName\":\"resource/media-849132468994048/dc26069548214211851e0e088860bca7_00001.jpg\",\"coverImage\":false,\"showURL\":\"https://v.baoshiyun.com/resource/media-849132468994048/dc26069548214211851e0e088860bca7_00001.jpg\"}]},\"createTime\":\"2021-04-28 14:34:14\"}}";
                        JSONObject jsonObject = JSON.parseObject(m3u8Json);
                        JSONArray videos = jsonObject.getJSONObject("data").getJSONObject("mediaMetaInfo").getJSONArray("videoGroup");
                        // 数组下标 0:超清 1:高清 2:标清
                        JSONObject superVideo = videos.getJSONObject(0);
                        video.setVideoM3u8(superVideo.getString("playURL"));
                        try {
                            Thread.sleep(20);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                    }
                }
            }
        }
        return list;
    }


    /**
     * 请求单章节信息 & 解析章节信息
     * @param chapterId : 章节id
     * @param cookie : 前端传来的cookie
     * @param chapter : 数据库的章节编号 (1 - 17)
     * @return
     */
    public List<List<Object>> parseChapterMsg(String chapterId, String cookie, Integer chapter){
        long time = new Date().getTime();
        String strJson = ForwardHttpConnection.get("https://weblearn.kaikeba.com/student/chapterinfo?course_id=212433&chapter_id="+ chapterId +"&__timestamp=" + time, null, null, cookie);
        // strJson = 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        List<List<Object>> list = new ArrayList<>();
        JSONObject jsonObject = JSON.parseObject(strJson);
        JSONObject data = jsonObject.getJSONObject("data");
        JSONArray section_list = data.getJSONArray("section_list");
        Iterator<Object> iterator = section_list.iterator();
        // 遍历一个章节里的所有小节
        while(iterator.hasNext()){
            JSONObject section = (JSONObject) iterator.next();
            section = section.getJSONArray("group_list").getJSONObject(0);
            // 小节名称
            String sectionTitle = section.getString("group_name");
            JSONArray content_list = section.getJSONArray("content_list");
            Iterator<Object> iterator1 = content_list.iterator();
            // 遍历一个小节里的所有内容 -> 包括文件和视频
            List videoList = new ArrayList<>();
            List fileList = new ArrayList<>();
            while(iterator1.hasNext()){
                JSONObject content = (JSONObject) iterator1.next();
                String title = content.getString("content_title");
                if(content.getJSONArray("content").getJSONObject(0).get("video_id") != null){
                    // 视频
                    JSONObject videoCon = content.getJSONArray("content").getJSONObject(0);
                    RsVideo video = new RsVideo();
                    video.setChaId(chapter);
                    video.setSectionTitle(sectionTitle);
                    video.setVideoName(title);
                    video.setVideoUrl("https://learn.kaikeba.com/video/" + videoCon.getString("content_id"));
                    video.setVideoM3u8(videoCon.getString("callback_key"));
                    video.setVideoJpg(videoCon.getString("image"));
                    videoList.add(video);
                }else{
                    // 文件
                    RsFile rsFile = new RsFile();
                    rsFile.setChaId(chapter);
                    rsFile.setSectionTitle(sectionTitle);
                    rsFile.setFileName(title);
                    Iterator<Object> fileCons = content.getJSONArray("content").iterator();
                    // 遍历一个文件里所有的下载链接
                    List<FileUrl> fileUrlList = new ArrayList<>();
                    while(fileCons.hasNext()){
                        JSONObject fileCon = (JSONObject) fileCons.next();
                        FileUrl fileUrl = new FileUrl();
                        fileUrl.setFileUrl(fileCon.getString("url"));
                        fileUrl.setFileName(fileCon.getString("name"));
                        fileUrlList.add(fileUrl);
                    }
                    rsFile.setFileUrlList(fileUrlList);
                    fileList.add(rsFile);
                }
            }
            // 先添加文件,后添加视频  List -> (小节一:fileList) (小节一:videoList) (小节二:fileList) (小节二:videoList) ...
            list.add(fileList);
            list.add(videoList);
        }
        return list;
    }

//    public static void main(String[] args) {
//        String cookie = "sensorsdata2015jssdkcross={\"distinct_id\":\"17d2bf40c59653-040bde91a9e4e3c-57b1a33-1327104-17d2bf40c5a5c2\",\"first_id\":\"\",\"props\":{\"$latest_traffic_source_type\":\"直接流量\",\"$latest_search_keyword\":\"未取到值_直接打开\",\"$latest_referrer\":\"\"},\"$device_id\":\"17d2bf40c59653-040bde91a9e4e3c-57b1a33-1327104-17d2bf40c5a5c2\"}; gr_user_id=1418e0d4-0056-4c50-897c-099b5e271241; figui=VdxVxQoAI9455134; kd_user_id=c9b3727d-72fa-4fa4-a501-f4ccf80432ae; kd_5d6526d7-3c9f-460b-b6cf-ba75397ce1ac_log_id=sGYfbSCesMdTowEKTHK:ea51a2db-fb76-4901-bc85-cb2a4f474c52:62cae742-e5d5-4f02-99ff-40e17cff5919; tblBackUrl=; 99f53b614ce96c83_gr_session_id=6cb8e1e7-81e5-450e-b458-2052ac9f8c10; 99f53b614ce96c83_gr_session_id_6cb8e1e7-81e5-450e-b458-2052ac9f8c10=true; sso_token=be12e020629ee81e6999653548153e4c; ssoToken=be12e020629ee81e6999653548153e4c; access-edu_online=617620c34eec769874fe44cd63924457; kd_5d6526d7-3c9f-460b-b6cf-ba75397ce1ac_view_log_id=lgYk6TqcZ1icmpxnEUM; kkb_edu_session=eyJpdiI6IlwvcGRxOCtFWW1DQml1Z1BDSElBVDhRPT0iLCJ2YWx1ZSI6IlR0WWNCZ09hTkV6UkorTVhFamNoSTBCeTlOQ0ZIUFkxWVFpY3hJUno1WUhFV0NGUFhZcDFcL0JLdkYxUG1nZHRhIiwibWFjIjoiNjIyNDNiZTdkY2ZmMTgyZmExNTE5ZDkxZjUyZjJmNTFmNzY4NzY2MTgxZDJlMDBmOGNiYTM1MWMxMGQ4YTVhMSJ9; kd_5d6526d7-3c9f-460b-b6cf-ba75397ce1ac_kuickDeal_pageIndex=0; kd_5d6526d7-3c9f-460b-b6cf-ba75397ce1ac_kuickDeal_leaveTime=1637223498105";
//        long time = new Date().getTime();
//        String allChapter = ForwardHttpConnection.get(" https://weblearn.kaikeba.com/student/courseinfo?course_id=212433&__timestamp=1637221986405", null, null, cookie);
//        System.out.println(allChapter);
//    }

    /**
     * 请求获取所有章节信息 & 获取指定章节的id
     * @param cookie : 前端传来的cookie
     * @param chapter : 数据库的章节编号 (1 - 17)
     * @return : 解析章节的id
     */
    public String parseChapterId(String cookie, Integer chapter) throws ResourceException {
        long time = new Date().getTime();
//        allChapter = "{\"code\":1,\"data\":{\"course_id\":212433,\"course_name\":\"\\u65b0\\u804c\\u8bfe - JavaEE\\u5f00\\u53d1\\u5de5\\u7a0b\\u5e08 - V3.1\",\"cover_img_path_web\":\"https:\\/\\/res.kaikeba.com\\/other\\/123\\/20201022101642-80441\\/FgWsTeyR3a4S91dBf0HkuY7oZBXC.png\",\"cover_img_path_mobile\":\"https:\\/\\/res.kaikeba.com\\/other\\/123\\/20201022101642-80441\\/FgWsTeyR3a4S91dBf0HkuY7oZBXC.png\",\"school_id\":12,\"status\":0,\"type\":\"1\",\"cate_id\":0,\"industry_id\":0,\"intro\":\"\\u65b0\\u804c\\u8bfe-JavaEE\\u5f00\\u53d1\\u5de5\\u7a0b\\u5e08\",\"chapter_count\":17,\"section_count\":126,\"assistants\":\"\",\"assistant_dispatch_type\":1,\"editor_uid\":21305146,\"introduce_url\":\"\",\"schedule_status\":0,\"expect_section_num\":150,\"start_date\":0,\"end_date\":null,\"real_start_date\":null,\"real_end_date\":null,\"has_experiment\":false,\"education_id\":6,\"source_course_id\":0,\"is_auto_auth\":0,\"is_no_login\":0,\"school_name\":\"\\u65b0\\u804c\\u8bfe\\u5b66\\u9662\",\"chapter_list\":[{\"chapter_id\":208325,\"course_id\":212433,\"chapter_name\":\"\\u8bfe\\u524d\\u5bfc\\u5b66\",\"rank_num\":1,\"hidden_chapter_num\":0,\"is_locked\":0,\"intro\":\"\\u8bfe\\u7a0b\\u4e0e\\u5b66\\u4e60\\u6a21\\u5f0f\\u4ecb\\u7ecd\",\"subscript_name\":\"\",\"auth_status\":1,\"section_list\":[{\"section_id\":30329,\"chapter_id\":208325,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":1,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29488,\"section_id\":30329,\"chapter_id\":208325,\"course_id\":212433,\"group_name\":\"\\u5b66\\u524d\\u5fc5\\u8bfb\",\"is_whole\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"section_id\":30333,\"chapter_id\":208325,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":2,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29491,\"section_id\":30333,\"chapter_id\":208325,\"course_id\":212433,\"group_name\":\"\\u4e3b\\u7ebf\\u4efb\\u52a1\",\"is_whole\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"chapter_id\":208326,\"course_id\":212433,\"chapter_name\":\"01-JAVA\\u57fa\\u7840\",\"rank_num\":2,\"hidden_chapter_num\":0,\"is_locked\":0,\"intro\":\"01-JAVA\\u57fa\\u7840\",\"subscript_name\":\"\",\"auth_status\":1,\"section_list\":[{\"section_id\":30331,\"chapter_id\":208326,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":1,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29494,\"section_id\":30331,\"chapter_id\":208326,\"course_id\":212433,\"group_name\":\"\\u4e3b\\u7ebf\\u4efb\\u52a1\\u5361\",\"is_whole\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"section_id\":30337,\"chapter_id\":208326,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":2,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29496,\"section_id\":30337,\"chapter_id\":208326,\"course_id\":212433,\"group_name\":\"\\u73af\\u5883\\u642d\\u5efa\",\"is_whole\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"section_id\":30339,\"chapter_id\":208326,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":3,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29498,\"section_id\":30339,\"chapter_id\":208326,\"course_id\":212433,\"group_name\":\"\\u57fa\\u7840\\u8bed\\u6cd5\",\"is_whole\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"section_id\":30350,\"chapter_id\":208326,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":4,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29509,\"section_id\":30350,\"chapter_id\":208326,\"course_id\":212433,\"group_name\":\"\\u6d41\\u7a0b\\u63a7\\u5236\",\"is_whole\":1}],\"progress\":100,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"section_id\":30353,\"chapter_id\":208326,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":5,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29512,\"section_id\":30353,\"chapter_id\":208326,\"course_id\":212433,\"group_name\":\"\\u6570\\u7ec4\",\"is_whole\":1}],\"progress\":88,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"section_id\":30355,\"chapter_id\":208326,\"course_id\":212433,\"section_name\":\"\",\"hidden_section_num\":0,\"rank_num\":6,\"subscript_name\":\"\",\"is_locked\":0,\"group_list\":[{\"group_id\":29515,\"section_id\":30355,\"chapter_id\":208326,\"course_id\":212433,\"group_name\":\"\\u7efc\\u5408\\u6848\\u4f8b\",\"is_whole\":1}],\"progress\":75,\"locked_desc\":\"\",\"is_hide_progress\":1}],\"progress\":96,\"locked_desc\":\"\",\"is_hide_progress\":1},{\"chapter_id\":208327,\"course_id\":212433,\"chapter_name\":\"02-\\u9762\\u5411\\u5bf9\\u8c61\",\"rank_num\":3,\"hidden_chapter_num\":0,\"is_locked\":0,\"intro\":\"02-\\u9762\\u5411\\u5bf9\\u8c61\",\"subscript_name\":\"\",\"auth_status\":1,\"section_list\":[{\"section_id\":30330,\"chapter_id\":208327,\"course_id\":212433,\"section_na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        JSONObject jsonObject = JSON.parseObject(allChapter);
        JSONObject data = jsonObject.getJSONObject("data");
        JSONArray chapter_list = data.getJSONArray("chapter_list");
        Iterator<Object> iterator = chapter_list.iterator();
        int index = 0;
        while (iterator.hasNext()) {
            JSONObject next = (JSONObject) iterator.next();
            Object chapter_id = next.get("chapter_id");
            Object chapter_name = next.get("chapter_name");
            System.out.println("第" + (index++) + "章 "+ chapter_name +" -> " + chapter_id);
        }
        return null;*/
    }
}





















